expatiate
🇺🇸
/ɪkˈspeɪʃieɪt/
🇬🇧
/ɪkˈspeɪʃieɪt/
To talk or write a lot about something, often with excitement or in a lot of detail.
He expatiated on the benefits of living abroad, clearly enjoying the topic.
To give a detailed explanation or description of something.
She expatiated on the cultural significance of the artwork, providing a rich context for understanding.